noun (ontolog, ies)
- (philosophy) The branch of metaphysics that addresses the nature or essential characteristics of being and of things that exist; the study of being qua being.
- (philosophy) The theory of a particular philosopher or school of thought concerning the fundamental types of entity in the universe.
Etymology: From Ancient Greek á, (Polytonic, á) (Ån) "being", "existing", "essence" and , (Polytonic, ) (logos) "account". Introduced as a philosophical term by w:Christian_Wolff_(philosopher), Christian Wolf (1679-1754).
- 2000, C.D.C. Reeve, Substantial Knowledge: Aristotle's Metaphysics, Hackett Publishing, p. 97,
- :The answer to the controversial question of whether Aristotle's includes non-substantial particulars, then, is that it does.
- (logic) A logical system involving theory of classes, developed by w:Stanislaw_Lesniewski, Stanislaw Lesniewski (1886-1939).
- (computer science) A structure of concepts or entity, entities within a domain, organized by relationships; a system model.
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Full Definition of ontology